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Equity, Long-Term Incentive Compensation Plans and Non-controlling Interest - Equity Incentive Program (Details) - USD ($) $ / shares in Units, $ in Millions | 6 Months Ended |
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Dec. 31, 2019 | Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Maximum number of shares available for grant (in shares) | [1],[2] | 10,695,000 | 11,613,000
2004 Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Shares available for issuance (in shares) |  | 10,700,000 |
Assumed Equity Plans |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Stock options, outstanding, weighted-average remaining contractual term, stock options |  | 4 years 6 months |
Stock options, outstanding, aggregate intrinsic value |  | $ 1.2 |
Stock options, outstanding, weighted average exercise price (in dollars per share) |  | $ 63.08 |
Stock options, exercised (in shares) |  | 3,907 |
Stock options, exercised, weighted-average price (in dollars per share) |  | $ 29.26 |
Assumed Equity Plans | Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Maximum number of shares available for grant (in shares) |  | 10,651 |
Assumed Equity Plans | Restricted stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Maximum number of shares available for grant (in shares) |  | 290,178 |
[1] | No additional stock options, RSUs or other awards will be granted under the Assumed Equity Plans.
[2] | The number of RSUs reflects the application of the award multiplier of 2.0x to calculate the impact of the award on the shares reserved under the 2004 Plan.

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